Unthreatening is a term that is used to describe something that is not menacing or intimidating. There are several synonyms that can be used to describe something that is unthreatening. For example, a non-threatening object can be described as benign, harmless, or innocuous. An unthreatening person can be referred to as gentle, kind, or approachable. A situation that is not threatening can be characterized as safe, secure, or trouble-free. The use of synonyms can help to add variety to your writing and increase your vocabulary. By using synonyms for unthreatening, you can convey the same meaning in different ways, making your writing more interesting and engaging.